Fix Sitemap , reCAPCHA, No 'Access-Control-Allow-Origin' error for LAMP website

Job ID: 31847936

Budget: $30 – $250 USD

Three jobs required. For payment, I will sum up total expense and pay in milestone in order.
The website is LAMP stack. PHP , Codeigniter , JS

1. Fix website sitemap : error is "Your Sitemap contains too many URLs. Please create multiple Sitemaps with up to 50000 URLs each and submit all Sitemaps." ref : https://www.sitemaps.org/protocol.html#sitemapXMLExample

2. Fix problem Access to XMLHttpRequest at '…..' from origin 'https://www.blacklistseller.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. To see error, check with F12 on www.blacklistseller.com

3.Fix reCAPCHA : Setup reCAPCHA code (v3) in PHP already, the reCAPCHA show but it doesn't detect and challenge . If it works, I should able to check google reCAPCHA whether it's working from the analytics.
Related categories: PHP JavaScript Codeigniter LAMP